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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../../index.html">directory</a> - <a href="index.html">components/impl</a> - genericVcArbiter.cc</td>
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          <td class="headerItem" width="20%">Test:</td>
          <td class="headerValue" width="80%" colspan=4>iris.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2010-05-24</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">86</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">1.2 %</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">1</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : /*
<span class="lineNum">       2 </span>                :  * =====================================================================================
<span class="lineNum">       3 </span>                :  *
<span class="lineNum">       4 </span>                :  *       Filename:  genericVcArbiter.cc
<span class="lineNum">       5 </span>                :  *
<span class="lineNum">       6 </span>                :  *    Description:  
<span class="lineNum">       7 </span>                :  *
<span class="lineNum">       8 </span>                :  *        Version:  1.0
<span class="lineNum">       9 </span>                :  *        Created:  02/23/2010 01:15:21 PM
<span class="lineNum">      10 </span>                :  *       Revision:  none
<span class="lineNum">      11 </span>                :  *       Compiler:  gcc
<span class="lineNum">      12 </span>                :  *
<span class="lineNum">      13 </span>                :  *         Author:  Mitchelle Rasquinha (), mitchelle.rasquinha@gatech.edu
<span class="lineNum">      14 </span>                :  *        Company:  Georgia Institute of Technology
<span class="lineNum">      15 </span>                :  *
<span class="lineNum">      16 </span>                :  * =====================================================================================
<span class="lineNum">      17 </span>                :  */
<span class="lineNum">      18 </span>                : #ifndef  _genericvcarbiter_cc_INC
<span class="lineNum">      19 </span>                : #define  _genericvcarbiter_cc_INC
<span class="lineNum">      20 </span>                : 
<span class="lineNum">      21 </span>                : #include        &quot;genericVcArbiter.h&quot;
<span class="lineNum">      22 </span>                : 
<span class="lineNum">      23 </span>                : 
<span class="lineNum">      24 </span><span class="lineNoCov">              0 : GenericVcArbiter::GenericVcArbiter ()</span>
<span class="lineNum">      25 </span>                : {
<span class="lineNum">      26 </span><span class="lineNoCov">              0 :     name = &quot;arbiter&quot;;</span>
<span class="lineNum">      27 </span><span class="lineNoCov">              0 :     address = -1;</span>
<span class="lineNum">      28 </span><span class="lineNoCov">              0 :     node_ip = -1;</span>
<span class="lineNum">      29 </span><span class="lineNoCov">              0 :     last_winner = 0;</span>
<span class="lineNum">      30 </span><span class="lineNoCov">              0 :     done = false;</span>
<span class="lineNum">      31 </span><span class="lineNoCov">              0 : }               /* -----  end of function GenericVcArbiter  ----- */</span>
<span class="lineNum">      32 </span>                : 
<span class="lineNum">      33 </span><span class="lineNoCov">              0 : GenericVcArbiter::~GenericVcArbiter ()</span>
<span class="lineNum">      34 </span>                : {
<span class="lineNum">      35 </span>                : 
<span class="lineNum">      36 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      37 </span>                : 
<span class="lineNum">      38 </span>                : void
<span class="lineNum">      39 </span><span class="lineNoCov">              0 : GenericVcArbiter::request (Flit* f, uint vc)</span>
<span class="lineNum">      40 </span>                : {
<span class="lineNum">      41 </span><span class="lineNoCov">              0 :     requests[vc] = true;</span>
<span class="lineNum">      42 </span><span class="lineNoCov">              0 :     flits[vc] = f;</span>
<span class="lineNum">      43 </span>                :     return ;
<span class="lineNum">      44 </span>                : }               /* -----  end of function GenericVcArbiter::request  ----- */
<span class="lineNum">      45 </span>                : 
<span class="lineNum">      46 </span>                : Flit*
<span class="lineNum">      47 </span><span class="lineNoCov">              0 : GenericVcArbiter::pull_winner ()</span>
<span class="lineNum">      48 </span>                : {
<span class="lineNum">      49 </span><span class="lineNoCov">              0 :     if ( !done )</span>
<span class="lineNum">      50 </span><span class="lineNoCov">              0 :         pick_winner();</span>
<span class="lineNum">      51 </span>                : 
<span class="lineNum">      52 </span><span class="lineNoCov">              0 :     done = false;</span>
<span class="lineNum">      53 </span>                : 
<span class="lineNum">      54 </span><span class="lineNoCov">              0 :     if ( !requests[ last_winner ])</span>
<span class="lineNum">      55 </span>                :     {
<span class="lineNum">      56 </span><span class="lineNoCov">              0 :         _DBG(&quot;GenericVcArbiter:: Invalid flit exception last_winner %d&quot;, last_winner);</span>
<span class="lineNum">      57 </span><span class="lineNoCov">              0 :         exit(1);</span>
<span class="lineNum">      58 </span>                :     }
<span class="lineNum">      59 </span>                : 
<span class="lineNum">      60 </span><span class="lineNoCov">              0 :     requests[last_winner] =  false;</span>
<span class="lineNum">      61 </span><span class="lineNoCov">              0 :     return flits [last_winner];</span>
<span class="lineNum">      62 </span>                : }               /* -----  end of function GenericVcArbiter::pull_winner  ----- */
<span class="lineNum">      63 </span>                : 
<span class="lineNum">      64 </span>                : bool
<span class="lineNum">      65 </span><span class="lineNoCov">              0 : GenericVcArbiter::is_requested( uint ch )</span>
<span class="lineNum">      66 </span>                : {
<span class="lineNum">      67 </span>                :     /*  Check for exceptions here is ch greater than requests size */
<span class="lineNum">      68 </span><span class="lineNoCov">              0 :     if( ch &gt; requests.size())</span>
<span class="lineNum">      69 </span>                :     {
<span class="lineNum">      70 </span><span class="lineNoCov">              0 :         _DBG(&quot; Invalid VC Exception req_vc: %d &quot;, ch);</span>
<span class="lineNum">      71 </span><span class="lineNoCov">              0 :         cout.flush();</span>
<span class="lineNum">      72 </span><span class="lineNoCov">              0 :         exit(1);</span>
<span class="lineNum">      73 </span>                :     }
<span class="lineNum">      74 </span>                : 
<span class="lineNum">      75 </span><span class="lineNoCov">              0 :     return requests[ch];</span>
<span class="lineNum">      76 </span>                : }               /* -----  end of function GenericVcArbiter::ready  ----- */
<span class="lineNum">      77 </span>                : 
<span class="lineNum">      78 </span>                : uint
<span class="lineNum">      79 </span><span class="lineNoCov">              0 : GenericVcArbiter::get_no_requests ()</span>
<span class="lineNum">      80 </span>                : {
<span class="lineNum">      81 </span><span class="lineNoCov">              0 :     return requests.size();</span>
<span class="lineNum">      82 </span>                : }               /* -----  end of function GenericVcArbiter::size  ----- */
<span class="lineNum">      83 </span>                : 
<span class="lineNum">      84 </span>                : void
<span class="lineNum">      85 </span><span class="lineNoCov">              0 : GenericVcArbiter::set_req_queue_size ( uint size)</span>
<span class="lineNum">      86 </span>                : {
<span class="lineNum">      87 </span><span class="lineNoCov">              0 :     requests.resize(size);</span>
<span class="lineNum">      88 </span><span class="lineNoCov">              0 :     flits.resize(size);</span>
<span class="lineNum">      89 </span><span class="lineNoCov">              0 :     next_port.resize(size);</span>
<span class="lineNum">      90 </span><span class="lineNoCov">              0 :     for ( uint i=0 ; i&lt;size; i++ )</span>
<span class="lineNum">      91 </span><span class="lineNoCov">              0 :         requests[i] = false;</span>
<span class="lineNum">      92 </span>                : 
<span class="lineNum">      93 </span>                :     return ;
<span class="lineNum">      94 </span>                : }               /* -----  end of function GenericVcArbiter::resize  ----- */
<span class="lineNum">      95 </span>                : 
<span class="lineNum">      96 </span>                : uint
<span class="lineNum">      97 </span><span class="lineNoCov">              0 : GenericVcArbiter::pick_winner ()</span>
<span class="lineNum">      98 </span>                : {
<span class="lineNum">      99 </span><span class="lineNoCov">              0 :     if ( !done )</span>
<span class="lineNum">     100 </span>                :     {
<span class="lineNum">     101 </span><span class="lineNoCov">              0 :         done = true;</span>
<span class="lineNum">     102 </span><span class="lineNoCov">              0 :         for ( uint i=last_winner+1 ; i&lt;requests.size() ; i++ )</span>
<span class="lineNum">     103 </span><span class="lineNoCov">              0 :             if ( requests[i] )</span>
<span class="lineNum">     104 </span>                :             {
<span class="lineNum">     105 </span><span class="lineNoCov">              0 :                 last_winner = i;</span>
<span class="lineNum">     106 </span><span class="lineNoCov">              0 :                 return i;</span>
<span class="lineNum">     107 </span>                :             }
<span class="lineNum">     108 </span>                : 
<span class="lineNum">     109 </span><span class="lineNoCov">              0 :         for ( uint i=0 ; i&lt;last_winner+1 ; i++ )</span>
<span class="lineNum">     110 </span><span class="lineNoCov">              0 :             if ( requests[i])</span>
<span class="lineNum">     111 </span>                :             {
<span class="lineNum">     112 </span><span class="lineNoCov">              0 :                 last_winner = i;</span>
<span class="lineNum">     113 </span><span class="lineNoCov">              0 :                 return i;</span>
<span class="lineNum">     114 </span>                :             }
<span class="lineNum">     115 </span>                :     }
<span class="lineNum">     116 </span>                :     else
<span class="lineNum">     117 </span>                :     {
<span class="lineNum">     118 </span><span class="lineNoCov">              0 :         return last_winner;</span>
<span class="lineNum">     119 </span>                :     }
<span class="lineNum">     120 </span><span class="lineNoCov">              0 :     _DBG(&quot;GenericVcArbiter:: pick_winner error... dint find a winner %d&quot;, last_winner);</span>
<span class="lineNum">     121 </span><span class="lineNoCov">              0 :     exit(1);</span>
<span class="lineNum">     122 </span>                : 
<span class="lineNum">     123 </span>                :     return -1;
<span class="lineNum">     124 </span>                : 
<span class="lineNum">     125 </span>                : }               /* -----  end of function GenericVcArbiter::pick_winner  ----- */
<span class="lineNum">     126 </span>                : 
<span class="lineNum">     127 </span>                : uint
<span class="lineNum">     128 </span><span class="lineNoCov">              0 : GenericVcArbiter::pick_winner( vector&lt;bool&gt; ready )</span>
<span class="lineNum">     129 </span>                : {
<span class="lineNum">     130 </span><span class="lineNoCov">              0 :     if (ready.size() != requests.size())</span>
<span class="lineNum">     131 </span>                :     {
<span class="lineNum">     132 </span><span class="lineNoCov">              0 :         _DBG(&quot;\nInvalidReadySizeException GenericVcArbiter::pick_winner ready_size: %d req_size:%d&quot;, ready.size(), requests.size());</span>
<span class="lineNum">     133 </span><span class="lineNoCov">              0 :         exit(1);</span>
<span class="lineNum">     134 </span>                :     }
<span class="lineNum">     135 </span>                : 
<span class="lineNum">     136 </span><span class="lineNoCov">              0 :     if(!done)</span>
<span class="lineNum">     137 </span>                :     {
<span class="lineNum">     138 </span><span class="lineNoCov">              0 :         done = true;</span>
<span class="lineNum">     139 </span><span class="lineNoCov">              0 :         for( uint i=last_winner+1; i&lt;requests.size(); i++)</span>
<span class="lineNum">     140 </span><span class="lineNoCov">              0 :             if(requests[i] &amp;&amp; ready[i])</span>
<span class="lineNum">     141 </span>                :             {
<span class="lineNum">     142 </span><span class="lineNoCov">              0 :                 last_winner = i;</span>
<span class="lineNum">     143 </span><span class="lineNoCov">              0 :                 return i;</span>
<span class="lineNum">     144 </span>                :             }
<span class="lineNum">     145 </span>                : 
<span class="lineNum">     146 </span><span class="lineNoCov">              0 :         for ( uint i=0; i&lt;last_winner+1; i++)</span>
<span class="lineNum">     147 </span><span class="lineNoCov">              0 :             if( requests[i] &amp;&amp; ready[i] )</span>
<span class="lineNum">     148 </span>                :             {
<span class="lineNum">     149 </span><span class="lineNoCov">              0 :                 last_winner = i;</span>
<span class="lineNum">     150 </span><span class="lineNoCov">              0 :                 return i;</span>
<span class="lineNum">     151 </span>                :             }
<span class="lineNum">     152 </span>                :     }
<span class="lineNum">     153 </span>                :     else
<span class="lineNum">     154 </span>                :     {
<span class="lineNum">     155 </span><span class="lineNoCov">              0 :         return last_winner;</span>
<span class="lineNum">     156 </span>                :     }
<span class="lineNum">     157 </span>                : 
<span class="lineNum">     158 </span><span class="lineNoCov">              0 :     _DBG(&quot;GenericVcArbiter:: NOREQUESTSEXCEPTION %d &quot;, last_winner);</span>
<span class="lineNum">     159 </span><span class="lineNoCov">              0 :     return -1;</span>
<span class="lineNum">     160 </span>                : }
<span class="lineNum">     161 </span>                : 
<span class="lineNum">     162 </span>                : 
<span class="lineNum">     163 </span>                : void
<span class="lineNum">     164 </span><span class="lineNoCov">              0 : GenericVcArbiter::clear_winner ()</span>
<span class="lineNum">     165 </span>                : {
<span class="lineNum">     166 </span>                : //    if( requests[last_winner])
<span class="lineNum">     167 </span>                : //        delete flits[last_winner];
<span class="lineNum">     168 </span>                : 
<span class="lineNum">     169 </span><span class="lineNoCov">              0 :     requests[last_winner] = false;</span>
<span class="lineNum">     170 </span>                :     return ;
<span class="lineNum">     171 </span>                : }               /* -----  end of function GenericVcArbiter::clear_winner  ----- */
<span class="lineNum">     172 </span>                : 
<span class="lineNum">     173 </span>                : 
<span class="lineNum">     174 </span>                : bool
<span class="lineNum">     175 </span><span class="lineNoCov">              0 : GenericVcArbiter::empty ()</span>
<span class="lineNum">     176 </span>                : {
<span class="lineNum">     177 </span><span class="lineNoCov">              0 :     bool ty = true;</span>
<span class="lineNum">     178 </span><span class="lineNoCov">              0 :     for ( uint i=0 ; i&lt;requests.size() ; i++ )</span>
<span class="lineNum">     179 </span><span class="lineNoCov">              0 :         ty = ty &amp; !requests[i];</span>
<span class="lineNum">     180 </span>                : 
<span class="lineNum">     181 </span><span class="lineNoCov">              0 :     return ty;</span>
<span class="lineNum">     182 </span>                : }               /* -----  end of function GenericVcArbiter::empty  ----- */
<span class="lineNum">     183 </span>                : 
<span class="lineNum">     184 </span>                : bool
<span class="lineNum">     185 </span><span class="lineNoCov">              0 : GenericVcArbiter::empty ( vector&lt;bool&gt; ready)</span>
<span class="lineNum">     186 </span>                : {
<span class="lineNum">     187 </span><span class="lineNoCov">              0 :     if( ready.size() != requests.size() )</span>
<span class="lineNum">     188 </span>                :     {
<span class="lineNum">     189 </span><span class="lineNoCov">              0 :         _DBG(&quot; InvalidReadySizeExp empty(ready) %d &quot;, requests.size());</span>
<span class="lineNum">     190 </span><span class="lineNoCov">              0 :         exit(1);</span>
<span class="lineNum">     191 </span>                :     }
<span class="lineNum">     192 </span>                : 
<span class="lineNum">     193 </span><span class="lineNoCov">              0 :     bool ty = true;</span>
<span class="lineNum">     194 </span><span class="lineNoCov">              0 :     for ( uint i=0; i&lt;requests.size(); i++ )</span>
<span class="lineNum">     195 </span>                :     {
<span class="lineNum">     196 </span><span class="lineNoCov">              0 :         ty = ty &amp; !(requests[i] &amp; ready[i]);</span>
<span class="lineNum">     197 </span>                :     }
<span class="lineNum">     198 </span><span class="lineNoCov">              0 :     return ty;</span>
<span class="lineNum">     199 </span>                : }               /* -----  end of function GenericVcArbiter::empty  ----- */
<span class="lineNum">     200 </span>                : 
<span class="lineNum">     201 </span>                : string
<span class="lineNum">     202 </span><span class="lineNoCov">              0 : GenericVcArbiter::toString () const</span>
<span class="lineNum">     203 </span>                : {
<span class="lineNum">     204 </span><span class="lineNoCov">              0 :     stringstream str;</span>
<span class="lineNum">     205 </span>                :     str &lt;&lt; &quot;GenericVcArbiter: &quot;
<span class="lineNum">     206 </span>                :         &lt;&lt; &quot;\t last_winner: &quot; &lt;&lt; last_winner
<span class="lineNum">     207 </span><span class="lineNoCov">              0 :         &lt;&lt; &quot;\t no of requests: &quot; &lt;&lt; requests.size();</span>
<span class="lineNum">     208 </span><span class="lineNoCov">              0 :     return str.str();</span>
<span class="lineNum">     209 </span><span class="lineCov">              4 : }               /* -----  end of function GenericVcArbiter::toString  ----- */</span>
<span class="lineNum">     210 </span>                : 
<span class="lineNum">     211 </span>                : #endif   /* ----- #ifndef _genericvcarbiter_cc_INC  ----- */
<span class="lineNum">     212 </span>                : 
</pre>
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  <tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
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